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Boeing 747-8I vs. Boeing 777-9

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747-8I

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777-9

Price (USD)
$418 Million$442 Million
First Flight
20112020
Body Type
Wide-bodyWide-body
Length
76 m250 ft
76 m251 ft
Wingspan
68 m224 ft
71 m235 ft
Wing Area
554 m²5,963 ft²
516 m²5,561 ft²
Fuselage Width
6 m21 ft
6 m20 ft
Height
19 m63 ft
19 m64 ft
Max Takeoff Weight
447,700 kg987,010 lbs
351,500 kg774,925 lbs
Number of Engines
42
Engine Options
General Electric GEnxGeneral Electric GE9X
Max Thrust Per Engine
296 kN66,500 lbf
489 kN110,000 lbf
Max Total Thrust
1,184 kN266,000 lbf
978 kN220,000 lbf
Fuel Capacity
238,610 l63,034 gal
158,900 l41,977 gal
Range
14,310 km7,727 nm
13,500 km7,289 nm
Cruise Speed
907 km/h564 mph
905 km/h562 mph
Typical Seating
467 pax426 pax
Max Seating
660 pax475 pax

What Are the Differences Between the Boeing 747-8I and Boeing 777-9

Boeing 747-8I vs Boeing 777-9 Size Comparison

  • At 76.70 meters, the Boeing 777-9 is 0.40 meters longer than the Boeing 747-8I.
  • With a wingspan of 71.80 meters, the Boeing 777-9 is 3.40 meters wider from wingtip to wingtip.
  • The Boeing 747-8I and Boeing 777-9 have heights of 19.40 meters and 19.70 meters respectively - making the Boeing 777-9 0.30 meters taller.

Boeing 747-8I vs Boeing 777-9 Range

  • Boeing 747-8I’s range of 14,310 kilometers is greater than Boeing 777-9’s range of 13,500 kilometers. Therefore, the Boeing 747-8I can fly nonstop approximately 810 kilometers further.
  • The Boeing 747-8I can hold 63,034 gallons of fuel, which is 21,057 gallons more than the Boeing 777-9’s tank capacity of 41,977 gallons.

Boeing 747-8I vs Boeing 777-9 Seating

  • In a typical seating configuration, the Boeing 747-8I can accommodate 467 passengers, which is about 41 passengers more than Boeing 777-9’s seating capacity.
  • The Boeing 747-8I’s max seating capacity is 660 passengers, compared to 475 passengers of the Boeing 777-9.

About the Boeing 747-8I

The Boeing 747-8I is a large wide-body aircraft designed for long haul flights. Debuting in 2012, the 747-8I (Intercontinental) was the most recent model of the commercial jumbo jet, offering a blend of legacy and innovation. Also referred to as "The Queen of the Skies", the 747-8I is the longest passenger aircraft in the world. It stretches 250.2 feet (76.3 meters) and is characterized by its iconic hump and massive 4 engines. The 747-8i's length not only enhances its visual appeal but also significantly increases its cabin space, allowing for a three-class configuration that accommodates about 467 passengers.

The aircraft's wingspan, an impressive 224.7 feet (68.4 meters), incorporates advanced aerodynamic design with raked wingtips, reducing drag and improving fuel efficiency. This enhancement is crucial in minimizing environmental impact, aligning with the industry's shift towards more sustainable air travel. The 747-8i's four powerful GEnx-2B67 engines, supplied by General Electric, produce a combined thrust of 296,000 lbf (1,316.0 kN), enabling a range of up to 7,730 nautical miles (14,320 kilometers). This extended range capability makes the 747-8i an ideal choice for long-haul and intercontinental flights. Compared to the 747-400, the -8I is estimated by Boeing to be 16% more fuel-efficient, and have 13% lower seat-mile costs.

In terms of competition, the 747-8i stands as a formidable contender against the Airbus A380, offering a different approach to ultra-long-haul travel. While the A380 focuses on maximum passenger capacity, the 747-8i balances capacity with operational efficiency and a unique passenger experience. Its layout and design provide opportunities for airlines to customize the cabin with luxurious amenities, including private suites, upscale lounges, and spacious seating arrangements, enhancing the overall travel experience for passengers.

Unfortunately, only a few airlines ordered the newest Queen of the Skies. The reality was that newer, two engine aircraft were far more efficient, and had dramatically lower operating costs than the 747. However, airlines such as Lufthansa, Korean Air, and Air China recognized value in adding 747-8Is to their fleets for flagship international routes. These carriers currently leverage the aircraft's iconic status and advanced capabilities to provide passengers with an exceptional level of comfort and service.

The Boeing 747-8i symbolizes the culmination of decades of innovation in the 747 series. While retaining the classic and beloved features of its predecessors, it introduces modern advancements in aerospace technology. The aircraft's entry into the market was seen not just as an evolution of the 747 line but also as a statement of Boeing's ongoing commitment to pushing the boundaries of commercial aviation. Today, the 747-8i continues to captivate both the flying public and aviation enthusiasts, serving as a testament to the enduring appeal and significance of the 747 family.

About the Boeing 777-9

The Boeing 777-9, commonly referred to as the 777X, represents a significant leap in wide-body aircraft design and technology. Launched in 2020, this aircraft is the latest and largest variant in the renowned 777 series, incorporating state-of-the-art advancements to set new standards in aviation.

Spanning 76.7 meters (251.7 feet) in length, the 777-9 is distinguished by its impressive dimensions, making it the world's longest commercial aircraft. Its wingspan of 71.8 meters (235.4 feet) features innovative folding wingtips – a first for commercial aviation. This design allows the aircraft to maintain airport compatibility while offering enhanced aerodynamic efficiency. Boeing equipped the 777-9 with all new, massive GE9X engines. These powerplants are capable of delivering a total maximum thrust of 978.0 kN (220,000 lbf). These engines, combined with the aircraft's refined aerodynamics, enable a range of approximately 13,500 kilometers (7,289 nautical miles), positioning the 777-9 as a top contender for long-haul routes.

In terms of passenger capacity, the 777-9 is designed to accommodate up to 426 passengers in a typical three-class configuration, with a maximum capacity of 475 passengers. Economy has a 10 abreast (3-4-3) seating configuration. This setup reflects Boeing's focus on passenger comfort and efficiency, incorporating features like wider cabins, larger windows, and enhanced cabin pressurization. The introduction of the Boeing 777-9 was a response to market demands for larger and more efficient aircraft. It competes directly with the Airbus A350-1000 for the king of modern, efficient large, wide-body long-haul aircraft.

The 777-9's advanced features, including improved fuel efficiency, reduced noise footprint, and cutting-edge cabin amenities, make it a highly attractive option for airlines looking to modernize their fleets. Airlines that have already submitted orders for the 777-9 includes Emirates, Qatar Airways, Lufthansa, Cathay Pacific, Air India, and Etihad Airways. Notable for its production journey, the Boeing 777-9's development involved extensive use of new technologies and materials, setting a precedent in aircraft manufacturing. The use of composite materials, advanced systems integration, and groundbreaking wing design are among the factors that highlight Boeing's innovation.

In conclusion, the Boeing 777-9 (777X) marks a new era in commercial aviation, offering airlines unparalleled efficiency, range, and passenger experience. As the largest twin-engine jet in the world, it is poised to become a pivotal player in the future of long-haul travel, reflecting the culmination of Boeing's expertise in aircraft design and technology. Introduction of the 777X is currently set for 2025.

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Values shown may not be 100% accurate, as some metrics are averages or only represent certain production years and configurations. Engine specs are based on the best options available.

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